69 fhc vaccum tubes?

Technical advice Q&A

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autoalain
Posts: 136
Joined: Sun Jan 23, 2022 2:37 pm
Canada

#1 69 fhc vaccum tubes?

Post by autoalain » Thu Oct 06, 2022 11:39 am

Folks, basket case rebuild, I have reinstalled the 2 vacuum tubes I found in my parts box, I am sure
one is for the brakes vacuum tank, but what is the other vacuum tube for? thanks. Mike.

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DWW
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Great Britain

#2 Re: 69 fhc vaccum tubes?

Post by DWW » Thu Oct 06, 2022 11:50 am

Ignition advance if your dizzy has it?
Danny

1962 S1 3.8 FHC (1012/1798)
2015 Range Rover Sport SVR
"Experience is something you don't get until just after you need it."

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Allrand
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Location: Kempton Park, South Africs
South Africa

#3 Re: 69 fhc vaccum tubes?

Post by Allrand » Thu Oct 06, 2022 12:15 pm

You don't say what car it's for.
Randall Botha
'64 3.8 fhc & '51 Mk 7 (now sold), previously 3.8 S-type x2, 2.4 Mk 1, XJ6 S1.

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Simonpfhc
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#4 Re: 69 fhc vaccum tubes?

Post by Simonpfhc » Thu Oct 06, 2022 1:12 pm

Hi Mike,

Do you mean the two metal pipes that sit down in the front bulkhead with the heater pipes? If so, they are both for the brakes - one is the feed from the reservac tank and the other is for the vacuum return to the brake master cylinder.
Simon
62 3.8 FHC
91 Porsche 928GT
Find me on Instagram and Facebook @oldcarfixer

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